for((i=1;i<=9;i=i+1))
do
  for ((j=1;j<=i;j=j+1))
  do
    if [ $i == $j ]; then
        echo   "$j * $i = $(($i*$j))"
  else
        echo -ne "$j * $i = $(($i*$j))\t"
  fi
  done
done

